Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Aart Zeger van Halteren0
Date of Patent
September 4, 2012
Patent Application Number
12417181
Date Filed
April 2, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention relates to an assembly comprising a sound emitter and at least two sound detectors fixed to each other, wherein each detector has a sound receiving opening. The sound receiving openings of at least two of the detectors point in opposite directions.
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